23122220000 has 240 divisors, whose sum is σ = 62463405312. Its totient is φ = 8352960000.

The previous prime is 23122219973. The next prime is 23122220003. The reversal of 23122220000 is 2222132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122220003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49939769 + ... + 49940231.

Almost surely, 2^23122220000 is an apocalyptic number.

23122220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23122220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31231702656).

23122220000 is an abundant number, since it is smaller than the sum of its proper divisors (39341185312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23122220000 is a wasteful number, since it uses less digits than its factorization.

23122220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 23122220000 its reverse (2222132), we get a palindrome (23124442132).

The spelling of 23122220000 in words is "twenty-three billion, one hundred twenty-two million, two hundred twenty thousand".